human lungs on a blue background with a stain. human lung disease concept, lung cancer, pneumonia, copy space

air airways anatomy apnea asthma awareness background blue cancer chronic concept contagion contamination copy cough cure cystic disease dyspnea dyspnoea fibrosis for health human ill illness infection lung lungs medic medical medicinal medicine metastases metastasis modern obstructive pain people phthisis place pneumonia pollution prescription pulmonary respiratory sick sickness space symbol text treatment tuberculosis